Paper Splice Detection Operation - Frontier LP7500 Service Manual

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Paper splice detection operation

This section explains operations performed when the loading sensor detects a paper splice during printing process.
Splice (hole) detection condition
Splice
Cut prohibited area (228.1 mm)
• X = Paper length out the paper cutter
• Y = Paper length between the leading end of the cut prohibited area and the cutters
! ! ! ! Operation outline:
! ! ! ! Condition 1: When the loading sensor detects a splice (hole) and the length of the exposable area is
the print advance length or longer (X + Y = Print advance length, or X + Y is longer than the print advance
length)
1.
Loads the paper so that X is the same as the print advance length and cuts it, then performs printing
operation.
2.
Loads the splice and cuts it, then feeds the paper to the processor.
(Splice length = Cut prohibited area + Y mm)
! ! ! ! Condition 2: When detecting a splice section (hole) with the loading sensor and the dimension of the
exposure capable area is less than the print advance length (Print advance length is longer than X + Y)
1.
Loads the splice and cuts it, then feeds the paper to the processor.
(Splice length = Cut prohibited area + X + Y mm)
55700
Splice hole
Paper loading sensor (SE7)
Y
Exposable area
55700
Paper advance operation
Paper cutters
Paper advance direction
X
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